North-northwest winds around 10 mph, with gusts up to 20 mph, will create bitter wind chills after dark. A mix of sun and clouds develops during the day, but it stays cold with highs only near 20 degrees. North-northwest winds of 10 to 15 mph, gusting to 20 mph, will make outdoor conditions feel even harsher. Light winds become southerly around 5 mph, signaling a gradual shift in the overall pattern. Clouds build back in overnight with lows near 23 degrees, keeping conditions chilly but less extreme than the weekend.